1274756749490 has 32 divisors (see below), whose sum is σ = 2622422248704. Its totient is φ = 437048539200.

The previous prime is 1274756749471. The next prime is 1274756749493. The reversal of 1274756749490 is 949476574721.

It is not an unprimeable number, because it can be changed into a prime (1274756749493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2899715 + ... + 3310265.

It is an arithmetic number, because the mean of its divisors is an integer number (81950695272).

Almost surely, 2^{1274756749490} is an apocalyptic number.

1274756749490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1274756749490 is an abundant number, since it is smaller than the sum of its proper divisors (1347665499214).

1274756749490 is a wasteful number, since it uses less digits than its factorization.

1274756749490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454922.

The product of its (nonzero) digits is 106686720, while the sum is 65.

The spelling of 1274756749490 in words is "one trillion, two hundred seventy-four billion, seven hundred fifty-six million, seven hundred forty-nine thousand, four hundred ninety".