1902251948 has 12 divisors (see below), whose sum is σ = 3348184560. Its totient is φ = 945627792.

The previous prime is 1902251947. The next prime is 1902251957. The reversal of 1902251948 is 8491522091.

It is a super-3 number, since 3×1902251948³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1902251947) 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, 1373768 + ... + 1375151.

It is an arithmetic number, because the mean of its divisors is an integer number (279015380).

Almost surely, 2^1902251948 is an apocalyptic number.

It is an amenable number.

1902251948 is a deficient number, since it is larger than the sum of its proper divisors (1445932612).

1902251948 is a wasteful number, since it uses less digits than its factorization.

1902251948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2749096 (or 2749094 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 41.

The square root of 1902251948 is about 43614.8134009536. The cubic root of 1902251948 is about 1239.0514659006.

The spelling of 1902251948 in words is "one billion, nine hundred two million, two hundred fifty-one thousand, nine hundred forty-eight".