2620546957 has 8 divisors (see below), whose sum is σ = 3171082176. Its totient is φ = 2114054592.

The previous prime is 2620546949. The next prime is 2620546987. The reversal of 2620546957 is 7596450262.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2620546957 - 2³ = 2620546949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2620546987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11010583 + ... + 11010820.

It is an arithmetic number, because the mean of its divisors is an integer number (396385272).

Almost surely, 2^2620546957 is an apocalyptic number.

It is an amenable number.

2620546957 is a deficient number, since it is larger than the sum of its proper divisors (550535219).

2620546957 is a wasteful number, since it uses less digits than its factorization.

2620546957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22021427.

The product of its (nonzero) digits is 907200, while the sum is 46.

The square root of 2620546957 is about 51191.2781340728. The cubic root of 2620546957 is about 1378.6816080866.

It can be divided in two parts, 262054 and 6957, that added together give a triangular number (269011 = T₇₃₃).

The spelling of 2620546957 in words is "two billion, six hundred twenty million, five hundred forty-six thousand, nine hundred fifty-seven".