1000109974537 has 2 divisors, whose sum is σ = 1000109974538. Its totient is φ = 1000109974536.

The previous prime is 1000109974531. The next prime is 1000109974571. The reversal of 1000109974537 is 7354799010001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 963344213001 + 36765761536 = 981501^2 + 191744^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000109974537 - 2²³ = 1000101585929 is a prime.

It is a super-2 number, since 2×1000109974537² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1000109974531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500054987268 + 500054987269.

It is an arithmetic number, because the mean of its divisors is an integer number (500054987269).

Almost surely, 2^{1000109974537} is an apocalyptic number.

It is an amenable number.

1000109974537 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000109974537 is an equidigital number, since it uses as much as digits as its factorization.

1000109974537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 238140, while the sum is 46.

The spelling of 1000109974537 in words is "one trillion, one hundred nine million, nine hundred seventy-four thousand, five hundred thirty-seven".