49078402015 has 4 divisors (see below), whose sum is σ = 58894082424. Its totient is φ = 39262721608.

The previous prime is 49078401973. The next prime is 49078402081. The reversal of 49078402015 is 51020487094.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51020487094 = 2 ⋅25510243547.

It is a cyclic number.

It is not a de Polignac number, because 49078402015 - 2¹³ = 49078393823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4907840197 + ... + 4907840206.

It is an arithmetic number, because the mean of its divisors is an integer number (14723520606).

Almost surely, 2^49078402015 is an apocalyptic number.

49078402015 is a deficient number, since it is larger than the sum of its proper divisors (9815680409).

49078402015 is an equidigital number, since it uses as much as digits as its factorization.

49078402015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9815680408.

The product of its (nonzero) digits is 80640, while the sum is 40.

The spelling of 49078402015 in words is "forty-nine billion, seventy-eight million, four hundred two thousand, fifteen".