1345494092690 has 96 divisors (see below), whose sum is σ = 2754015752880. Its totient is φ = 472609280000.

The previous prime is 1345494092687. The next prime is 1345494092693. The reversal of 1345494092690 is 962904945431.

It is an interprime number because it is at equal distance from previous prime (1345494092687) and next prime (1345494092693).

It can be written as a sum of positive squares in 8 ways, for example, as 453094573129 + 892399519561 = 673123^2 + 944669^2 .

It is a super-2 number, since 2×1345494092690² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1345494092693) 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 47 ways as a sum of consecutive naturals, for example, 4876346 + ... + 5144874.

Almost surely, 2^{1345494092690} is an apocalyptic number.

1345494092690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1345494092690 is an abundant number, since it is smaller than the sum of its proper divisors (1408521660190).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1345494092690 is a wasteful number, since it uses less digits than its factorization.

1345494092690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268700 (or 268689 counting only the distinct ones).

The product of its (nonzero) digits is 8398080, while the sum is 56.

The spelling of 1345494092690 in words is "one trillion, three hundred forty-five billion, four hundred ninety-four million, ninety-two thousand, six hundred ninety".