902164474 has 4 divisors (see below), whose sum is σ = 1353246714. Its totient is φ = 451082236.

The previous prime is 902164423. The next prime is 902164481. The reversal of 902164474 is 474461209.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 474461209 = 2579 ⋅183971.

It can be written as a sum of positive squares in only one way, i.e., 688800025 + 213364449 = 26245^2 + 14607^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225541117 + ... + 225541120.

Almost surely, 2^902164474 is an apocalyptic number.

902164474 is a deficient number, since it is larger than the sum of its proper divisors (451082240).

902164474 is a wasteful number, since it uses less digits than its factorization.

902164474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451082239.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 902164474 is about 30036.0529031363. The cubic root of 902164474 is about 966.2627563171.

The spelling of 902164474 in words is "nine hundred two million, one hundred sixty-four thousand, four hundred seventy-four".