26971514949 has 32 divisors (see below), whose sum is σ = 38050099200. Its totient is φ = 16960382208.

The previous prime is 26971514897. The next prime is 26971514957. The reversal of 26971514949 is 94941517962.

It is a happy number.

It is not a de Polignac number, because 26971514949 - 2⁸ = 26971514693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26971514749) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1542912 + ... + 1560294.

It is an arithmetic number, because the mean of its divisors is an integer number (1189065600).

Almost surely, 2^26971514949 is an apocalyptic number.

It is an amenable number.

26971514949 is a deficient number, since it is larger than the sum of its proper divisors (11078584251).

26971514949 is a wasteful number, since it uses less digits than its factorization.

26971514949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17721.

The product of its digits is 4898880, while the sum is 57.

The spelling of 26971514949 in words is "twenty-six billion, nine hundred seventy-one million, five hundred fourteen thousand, nine hundred forty-nine".