3490785451 has 12 divisors (see below), whose sum is σ = 3631649736. Its totient is φ = 3353555520.

The previous prime is 3490785449. The next prime is 3490785497. The reversal of 3490785451 is 1545870943.

It is not a de Polignac number, because 3490785451 - 2¹ = 3490785449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3490785401) 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, 149095 + ... + 170911.

It is an arithmetic number, because the mean of its divisors is an integer number (302637478).

Almost surely, 2^3490785451 is an apocalyptic number.

3490785451 is a deficient number, since it is larger than the sum of its proper divisors (140864285).

3490785451 is an equidigital number, since it uses as much as digits as its factorization.

3490785451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21982 (or 21921 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 46.

The square root of 3490785451 is about 59082.8693531382. The cubic root of 3490785451 is about 1516.9608959792.

The spelling of 3490785451 in words is "three billion, four hundred ninety million, seven hundred eighty-five thousand, four hundred fifty-one".