3497460781 has 4 divisors (see below), whose sum is σ = 3546720864. Its totient is φ = 3448200700.

The previous prime is 3497460763. The next prime is 3497460787. The reversal of 3497460781 is 1870647943.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3497460781 - 2⁷ = 3497460653 is a prime.

It is a super-2 number, since 2×3497460781² = 24464463829266259922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3497460787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24629935 + ... + 24630076.

It is an arithmetic number, because the mean of its divisors is an integer number (886680216).

Almost surely, 2^3497460781 is an apocalyptic number.

It is an amenable number.

3497460781 is a deficient number, since it is larger than the sum of its proper divisors (49260083).

3497460781 is an equidigital number, since it uses as much as digits as its factorization.

3497460781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49260082.

The product of its (nonzero) digits is 1016064, while the sum is 49.

The square root of 3497460781 is about 59139.3336198507. Note that the first 3 decimals coincide. The cubic root of 3497460781 is about 1517.9272273753.

The spelling of 3497460781 in words is "three billion, four hundred ninety-seven million, four hundred sixty thousand, seven hundred eighty-one".