1952242091 has 16 divisors (see below), whose sum is σ = 2006726400. Its totient is φ = 1898596128.

The previous prime is 1952242069. The next prime is 1952242099. The reversal of 1952242091 is 1902422591.

It is a cyclic number.

It is not a de Polignac number, because 1952242091 - 2⁶ = 1952242027 is a prime.

It is a super-2 number, since 2×1952242091² = 7622498363744104562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1952242099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3880946 + ... + 3881448.

It is an arithmetic number, because the mean of its divisors is an integer number (125420400).

Almost surely, 2^1952242091 is an apocalyptic number.

1952242091 is a deficient number, since it is larger than the sum of its proper divisors (54484309).

1952242091 is a wasteful number, since it uses less digits than its factorization.

1952242091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 1952242091 is about 44184.1837199693. The cubic root of 1952242091 is about 1249.8116176911.

The spelling of 1952242091 in words is "one billion, nine hundred fifty-two million, two hundred forty-two thousand, ninety-one".