1274963989051 has 4 divisors (see below), whose sum is σ = 1274968183104. Its totient is φ = 1274959795000.

The previous prime is 1274963989043. The next prime is 1274963989153. The reversal of 1274963989051 is 1509893694721.

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

It is a cyclic number.

It is not a de Polignac number, because 1274963989051 - 2³ = 1274963989043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1274963989751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1602100 + ... + 2262001.

It is an arithmetic number, because the mean of its divisors is an integer number (318742045776).

It is a 1-persistent number, because it is pandigital, but 2⋅1274963989051 = 2549927978102 is not.

Almost surely, 2^{1274963989051} is an apocalyptic number.

1274963989051 is a deficient number, since it is larger than the sum of its proper divisors (4194053).

1274963989051 is an equidigital number, since it uses as much as digits as its factorization.

1274963989051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4194052.

The product of its (nonzero) digits is 29393280, while the sum is 64.

The spelling of 1274963989051 in words is "one trillion, two hundred seventy-four billion, nine hundred sixty-three million, nine hundred eighty-nine thousand, fifty-one".