2621030797949 has 8 divisors (see below), whose sum is σ = 2705600835840. Its totient is φ = 2536462051200.

The previous prime is 2621030797937. The next prime is 2621030797951. The reversal of 2621030797949 is 9497970301262.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2621030797949 is a prime.

It is a super-3 number, since 3×2621030797949³ (a number of 38 digits) contains 333 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 (2621030797919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5430989 + ... + 5893869.

It is an arithmetic number, because the mean of its divisors is an integer number (338200104480).

Almost surely, 2^{2621030797949} is an apocalyptic number.

It is an amenable number.

2621030797949 is a deficient number, since it is larger than the sum of its proper divisors (84570037891).

2621030797949 is a wasteful number, since it uses less digits than its factorization.

2621030797949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645571.

The product of its (nonzero) digits is 10287648, while the sum is 59.

The spelling of 2621030797949 in words is "two trillion, six hundred twenty-one billion, thirty million, seven hundred ninety-seven thousand, nine hundred forty-nine".