3445995391 has 8 divisors (see below), whose sum is σ = 3457327104. Its totient is φ = 3434676600.

The previous prime is 3445995373. The next prime is 3445995461. The reversal of 3445995391 is 1935995443.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3445995391 - 2⁹ = 3445994879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3445995331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 975270 + ... + 978796.

It is an arithmetic number, because the mean of its divisors is an integer number (432165888).

Almost surely, 2^3445995391 is an apocalyptic number.

3445995391 is a deficient number, since it is larger than the sum of its proper divisors (11331713).

3445995391 is a wasteful number, since it uses less digits than its factorization.

3445995391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6461.

The product of its digits is 2624400, while the sum is 52.

The square root of 3445995391 is about 58702.6012285657. The cubic root of 3445995391 is about 1510.4449357656. Note that the first 3 decimals are identical.

Adding to 3445995391 its sum of digits (52), we get a palindrome (3445995443).

The spelling of 3445995391 in words is "three billion, four hundred forty-five million, nine hundred ninety-five thousand, three hundred ninety-one".