1900913974 has 8 divisors (see below), whose sum is σ = 2885725080. Its totient is φ = 939005616.

The previous prime is 1900913969. The next prime is 1900913983. The reversal of 1900913974 is 4793190091.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1900913974² = 7226947873096945352, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1900913974.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5725479 + ... + 5725810.

It is an arithmetic number, because the mean of its divisors is an integer number (360715635).

Almost surely, 2^1900913974 is an apocalyptic number.

1900913974 is a deficient number, since it is larger than the sum of its proper divisors (984811106).

1900913974 is a wasteful number, since it uses less digits than its factorization.

1900913974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11451374.

The product of its (nonzero) digits is 61236, while the sum is 43.

The square root of 1900913974 is about 43599.4721757041. The cubic root of 1900913974 is about 1238.7608967005.

The spelling of 1900913974 in words is "one billion, nine hundred million, nine hundred thirteen thousand, nine hundred seventy-four".