36949999261 has 16 divisors (see below), whose sum is σ = 44124364800. Its totient is φ = 30253318128.

The previous prime is 36949999249. The next prime is 36949999267. The reversal of 36949999261 is 16299994963.

36949999261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 36949999261 - 2⁹ = 36949998749 is a prime.

It is a super-2 number, since 2×36949999261² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36949999267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36301 + ... + 274258.

It is an arithmetic number, because the mean of its divisors is an integer number (2757772800).

Almost surely, 2^36949999261 is an apocalyptic number.

It is an amenable number.

36949999261 is a deficient number, since it is larger than the sum of its proper divisors (7174365539).

36949999261 is a wasteful number, since it uses less digits than its factorization.

36949999261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311328.

The product of its digits is 51018336, while the sum is 67.

The spelling of 36949999261 in words is "thirty-six billion, nine hundred forty-nine million, nine hundred ninety-nine thousand, two hundred sixty-one".