1090791953 has 2 divisors, whose sum is σ = 1090791954. Its totient is φ = 1090791952.

The previous prime is 1090791943. The next prime is 1090791967. The reversal of 1090791953 is 3591970901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 692110864 + 398681089 = 26308^2 + 19967^2 .

It is a cyclic number.

It is not a de Polignac number, because 1090791953 - 2²⁰ = 1089743377 is a prime.

It is not a weakly prime, because it can be changed into another prime (1090791913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 545395976 + 545395977.

It is an arithmetic number, because the mean of its divisors is an integer number (545395977).

Almost surely, 2^1090791953 is an apocalyptic number.

It is an amenable number.

1090791953 is a deficient number, since it is larger than the sum of its proper divisors (1).

1090791953 is an equidigital number, since it uses as much as digits as its factorization.

1090791953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 76545, while the sum is 44.

The square root of 1090791953 is about 33027.1396430269. The cubic root of 1090791953 is about 1029.3916516335.

The spelling of 1090791953 in words is "one billion, ninety million, seven hundred ninety-one thousand, nine hundred fifty-three".