1854968002 has 16 divisors (see below), whose sum is σ = 2866087224. Its totient is φ = 899856000.

The previous prime is 1854967997. The next prime is 1854968029. The reversal of 1854968002 is 2008694581.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 92563641 + 1762404361 = 9621^2 + 41981^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1854968002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47649 + ... + 77332.

Almost surely, 2^1854968002 is an apocalyptic number.

1854968002 is a deficient number, since it is larger than the sum of its proper divisors (1011119222).

1854968002 is a wasteful number, since it uses less digits than its factorization.

1854968002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125205.

The product of its (nonzero) digits is 138240, while the sum is 43.

The square root of 1854968002 is about 43069.3394655641. The cubic root of 1854968002 is about 1228.6989132730.

The spelling of 1854968002 in words is "one billion, eight hundred fifty-four million, nine hundred sixty-eight thousand, two".