1495370981 has 6 divisors (see below), whose sum is σ = 1619248050. Its totient is φ = 1380342288.

The previous prime is 1495370977. The next prime is 1495371001. The reversal of 1495370981 is 1890735941.

It can be written as a sum of positive squares in 3 ways, for example, as 3094081 + 1492276900 = 1759^2 + 38630^2 .

It is not a de Polignac number, because 1495370981 - 2² = 1495370977 is a prime.

It is a super-2 number, since 2×1495370981² = 4472268741633804722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1495370951) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4424006 + ... + 4424343.

It is an arithmetic number, because the mean of its divisors is an integer number (269874675).

Almost surely, 2^1495370981 is an apocalyptic number.

It is an amenable number.

1495370981 is a deficient number, since it is larger than the sum of its proper divisors (123877069).

1495370981 is an equidigital number, since it uses as much as digits as its factorization.

1495370981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8848375 (or 8848362 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 47.

The square root of 1495370981 is about 38670.0269071538. The cubic root of 1495370981 is about 1143.5354949598.

The spelling of 1495370981 in words is "one billion, four hundred ninety-five million, three hundred seventy thousand, nine hundred eighty-one".