3496478769 has 12 divisors (see below), whose sum is σ = 5771965056. Its totient is φ = 1997987832.

The previous prime is 3496478761. The next prime is 3496478789. The reversal of 3496478769 is 9678746943.

3496478769 is a `hidden beast` number, since 3 + 4 + 96 + 478 + 76 + 9 = 666.

It is not a de Polignac number, because 3496478769 - 2³ = 3496478761 is a prime.

It is a super-2 number, since 2×3496478769² = 24450727564135510722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63), and also a Moran number because the ratio is a prime number: 55499663 = 3496478769 / (3 + 4 + 9 + 6 + 4 + 7 + 8 + 7 + 6 + 9).

It is not an unprimeable number, because it can be changed into a prime (3496478761) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27749769 + ... + 27749894.

It is an arithmetic number, because the mean of its divisors is an integer number (480997088).

Almost surely, 2^3496478769 is an apocalyptic number.

It is an amenable number.

3496478769 is a deficient number, since it is larger than the sum of its proper divisors (2275486287).

3496478769 is a wasteful number, since it uses less digits than its factorization.

3496478769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55499676 (or 55499673 counting only the distinct ones).

The product of its digits is 54867456, while the sum is 63.

The square root of 3496478769 is about 59131.0305085240. The cubic root of 3496478769 is about 1517.7851469366.

The spelling of 3496478769 in words is "three billion, four hundred ninety-six million, four hundred seventy-eight thousand, seven hundred sixty-nine".