1894672965 has 8 divisors (see below), whose sum is σ = 3031476768. Its totient is φ = 1010492240.

The previous prime is 1894672963. The next prime is 1894672981. The reversal of 1894672965 is 5692764981.

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

It is not a de Polignac number, because 1894672965 - 2¹ = 1894672963 is a prime.

It is a super-4 number, since 4×1894672965⁴ (a number of 38 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1894672961) 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, 63155751 + ... + 63155780.

It is an arithmetic number, because the mean of its divisors is an integer number (378934596).

Almost surely, 2^1894672965 is an apocalyptic number.

1894672965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1894672965 is a deficient number, since it is larger than the sum of its proper divisors (1136803803).

1894672965 is a wasteful number, since it uses less digits than its factorization.

1894672965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126311539.

The product of its digits is 6531840, while the sum is 57.

The square root of 1894672965 is about 43527.8412628056. The cubic root of 1894672965 is about 1237.4037260069.

The spelling of 1894672965 in words is "one billion, eight hundred ninety-four million, six hundred seventy-two thousand, nine hundred sixty-five".