49217126401 has 4 divisors (see below), whose sum is σ = 49264864704. Its totient is φ = 49169388100.

The previous prime is 49217126393. The next prime is 49217126417. The reversal of 49217126401 is 10462171294.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10462171294 = 2 ⋅5231085647.

It is a cyclic number.

It is not a de Polignac number, because 49217126401 - 2³ = 49217126393 is a prime.

It is a super-2 number, since 2×49217126401² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49217126461) 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, 23867605 + ... + 23869666.

It is an arithmetic number, because the mean of its divisors is an integer number (12316216176).

Almost surely, 2^49217126401 is an apocalyptic number.

It is an amenable number.

49217126401 is a deficient number, since it is larger than the sum of its proper divisors (47738303).

49217126401 is a wasteful number, since it uses less digits than its factorization.

49217126401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47738302.

The product of its (nonzero) digits is 24192, while the sum is 37.

Adding to 49217126401 its reverse (10462171294), we get a palindrome (59679297695).

The spelling of 49217126401 in words is "forty-nine billion, two hundred seventeen million, one hundred twenty-six thousand, four hundred one".