2742577102157 has 4 divisors (see below), whose sum is σ = 2742585969600. Its totient is φ = 2742568234716.

The previous prime is 2742577102051. The next prime is 2742577102207. The reversal of 2742577102157 is 7512017752472.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2742577102157 - 2¹⁸ = 2742576840013 is a prime.

It is a super-2 number, since 2×2742577102157² (a number of 26 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 (2742577102357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3952373 + ... + 4594170.

It is an arithmetic number, because the mean of its divisors is an integer number (685646492400).

Almost surely, 2^{2742577102157} is an apocalyptic number.

It is an amenable number.

2742577102157 is a deficient number, since it is larger than the sum of its proper divisors (8867443).

2742577102157 is an equidigital number, since it uses as much as digits as its factorization.

2742577102157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8867442.

The product of its (nonzero) digits is 1920800, while the sum is 50.

The spelling of 2742577102157 in words is "two trillion, seven hundred forty-two billion, five hundred seventy-seven million, one hundred two thousand, one hundred fifty-seven".