3945053970 has 192 divisors, whose sum is σ = 12497756544. Its totient is φ = 882731520.

The previous prime is 3945053969. The next prime is 3945053977. The reversal of 3945053970 is 793505493.

3945053970 is a `hidden beast` number, since 3 + 9 + 45 + 0 + 539 + 70 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (3945053977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 341814 + ... + 353166.

It is an arithmetic number, because the mean of its divisors is an integer number (65092482).

Almost surely, 2^3945053970 is an apocalyptic number.

3945053970 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3945053970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6248878272).

3945053970 is an abundant number, since it is smaller than the sum of its proper divisors (8552702574).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3945053970 is a wasteful number, since it uses less digits than its factorization.

3945053970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11399 (or 11387 counting only the distinct ones).

The product of its (nonzero) digits is 510300, while the sum is 45.

The square root of 3945053970 is about 62809.6646225722. The cubic root of 3945053970 is about 1580.0990657855.

The spelling of 3945053970 in words is "three billion, nine hundred forty-five million, fifty-three thousand, nine hundred seventy".