49121420954 has 4 divisors (see below), whose sum is σ = 73682131434. Its totient is φ = 24560710476.

The previous prime is 49121420903. The next prime is 49121420969. The reversal of 49121420954 is 45902412194.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 48498169729 + 623251225 = 220223^2 + 24965^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12280355237 + ... + 12280355240.

Almost surely, 2^49121420954 is an apocalyptic number.

49121420954 is a deficient number, since it is larger than the sum of its proper divisors (24560710480).

49121420954 is a wasteful number, since it uses less digits than its factorization.

49121420954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24560710479.

The product of its (nonzero) digits is 103680, while the sum is 41.

The spelling of 49121420954 in words is "forty-nine billion, one hundred twenty-one million, four hundred twenty thousand, nine hundred fifty-four".