35694972491 has 4 divisors (see below), whose sum is σ = 36368462592. Its totient is φ = 35021482392.

The previous prime is 35694972487. The next prime is 35694972553. The reversal of 35694972491 is 19427949653.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 35694972491 - 2² = 35694972487 is a prime.

It is a super-2 number, since 2×35694972491² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 35694972491.

It is not an unprimeable number, because it can be changed into a prime (35697972491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 336744971 + ... + 336745076.

It is an arithmetic number, because the mean of its divisors is an integer number (9092115648).

Almost surely, 2^35694972491 is an apocalyptic number.

35694972491 is a deficient number, since it is larger than the sum of its proper divisors (673490101).

35694972491 is an equidigital number, since it uses as much as digits as its factorization.

35694972491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673490100.

The product of its digits is 14696640, while the sum is 59.

The spelling of 35694972491 in words is "thirty-five billion, six hundred ninety-four million, nine hundred seventy-two thousand, four hundred ninety-one".