35537145949 has 2 divisors, whose sum is σ = 35537145950. Its totient is φ = 35537145948.

The previous prime is 35537145901. The next prime is 35537145961. The reversal of 35537145949 is 94954173553.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21001226724 + 14535919225 = 144918^2 + 120565^2 .

It is a cyclic number.

It is not a de Polignac number, because 35537145949 - 2⁹ = 35537145437 is a prime.

It is a super-2 number, since 2×35537145949² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 35537145949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (35537148949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17768572974 + 17768572975.

It is an arithmetic number, because the mean of its divisors is an integer number (17768572975).

Almost surely, 2^35537145949 is an apocalyptic number.

It is an amenable number.

35537145949 is a deficient number, since it is larger than the sum of its proper divisors (1).

35537145949 is an equidigital number, since it uses as much as digits as its factorization.

35537145949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10206000, while the sum is 55.

The spelling of 35537145949 in words is "thirty-five billion, five hundred thirty-seven million, one hundred forty-five thousand, nine hundred forty-nine".