2126571292690 has 32 divisors (see below), whose sum is σ = 4162298789376. Its totient is φ = 777572291520.

The previous prime is 2126571292679. The next prime is 2126571292723. The reversal of 2126571292690 is 962921756212.

It is a happy number.

It is a super-2 number, since 2×2126571292690² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79395546 + ... + 79422325.

It is an arithmetic number, because the mean of its divisors is an integer number (130071837168).

Almost surely, 2^{2126571292690} is an apocalyptic number.

2126571292690 is a deficient number, since it is larger than the sum of its proper divisors (2035727496686).

2126571292690 is a wasteful number, since it uses less digits than its factorization.

2126571292690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158817994.

The product of its (nonzero) digits is 1632960, while the sum is 52.

The spelling of 2126571292690 in words is "two trillion, one hundred twenty-six billion, five hundred seventy-one million, two hundred ninety-two thousand, six hundred ninety".