2921289236157 has 16 divisors (see below), whose sum is σ = 4016546426880. Its totient is φ = 1887583698672.

The previous prime is 2921289236153. The next prime is 2921289236207. The reversal of 2921289236157 is 7516329821292.

2921289236157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2921289236157 - 2² = 2921289236153 is a prime.

It is a super-2 number, since 2×2921289236157² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2921289236097 and 2921289236106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2921289236153) 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, 100560057 + ... + 100589102.

It is an arithmetic number, because the mean of its divisors is an integer number (251034151680).

Almost surely, 2^{2921289236157} is an apocalyptic number.

It is an amenable number.

2921289236157 is a deficient number, since it is larger than the sum of its proper divisors (1095257190723).

2921289236157 is a wasteful number, since it uses less digits than its factorization.

2921289236157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201149312.

The product of its digits is 6531840, while the sum is 57.

The spelling of 2921289236157 in words is "two trillion, nine hundred twenty-one billion, two hundred eighty-nine million, two hundred thirty-six thousand, one hundred fifty-seven".