2758921425 has 48 divisors (see below), whose sum is σ = 5458122880. Its totient is φ = 1358233920.

The previous prime is 2758921393. The next prime is 2758921463. The reversal of 2758921425 is 5241298572.

2758921425 is a `hidden beast` number, since 2 + 7 + 589 + 21 + 42 + 5 = 666.

It is not a de Polignac number, because 2758921425 - 2⁵ = 2758921393 is a prime.

It is a super-2 number, since 2×2758921425² = 15223294858648061250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 148429 + ... + 165978.

Almost surely, 2^2758921425 is an apocalyptic number.

2758921425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2758921425 is a deficient number, since it is larger than the sum of its proper divisors (2699201455).

2758921425 is a wasteful number, since it uses less digits than its factorization.

2758921425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314439 (or 314428 counting only the distinct ones).

The product of its digits is 403200, while the sum is 45.

The square root of 2758921425 is about 52525.4359810559. The cubic root of 2758921425 is about 1402.5330713698.

The spelling of 2758921425 in words is "two billion, seven hundred fifty-eight million, nine hundred twenty-one thousand, four hundred twenty-five".