1914954431 has 8 divisors (see below), whose sum is σ = 2074609824. Its totient is φ = 1757063520.

The previous prime is 1914954427. The next prime is 1914954439. The reversal of 1914954431 is 1344594191.

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

It is a cyclic number.

It is not a de Polignac number, because 1914954431 - 2² = 1914954427 is a prime.

It is a super-2 number, since 2×1914954431² = 7334100945613067522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1914954439) 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, 438860 + ... + 443201.

It is an arithmetic number, because the mean of its divisors is an integer number (259326228).

Almost surely, 2^1914954431 is an apocalyptic number.

1914954431 is a deficient number, since it is larger than the sum of its proper divisors (159655393).

1914954431 is a wasteful number, since it uses less digits than its factorization.

1914954431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882241.

The product of its digits is 77760, while the sum is 41.

The square root of 1914954431 is about 43760.1923099065. The cubic root of 1914954431 is about 1241.8033142366.

The spelling of 1914954431 in words is "one billion, nine hundred fourteen million, nine hundred fifty-four thousand, four hundred thirty-one".