3698763490 has 16 divisors (see below), whose sum is σ = 6718856760. Its totient is φ = 1465931520.

The previous prime is 3698763473. The next prime is 3698763493. The reversal of 3698763490 is 943678963.

It can be written as a sum of positive squares in 4 ways, for example, as 2340914689 + 1357848801 = 48383^2 + 36849^2 .

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (3698763493) 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, 1695591 + ... + 1697770.

Almost surely, 2^3698763490 is an apocalyptic number.

3698763490 is a deficient number, since it is larger than the sum of its proper divisors (3020093270).

3698763490 is a wasteful number, since it uses less digits than its factorization.

3698763490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3393477.

The product of its (nonzero) digits is 5878656, while the sum is 55.

The square root of 3698763490 is about 60817.4604040649. The cubic root of 3698763490 is about 1546.5080585617.

The spelling of 3698763490 in words is "three billion, six hundred ninety-eight million, seven hundred sixty-three thousand, four hundred ninety".